Product name ： Cupric sulfide
Product Category：High-purity chemicals & electronic chemicals/Cupric salts;
CAS No.： 1317-40-4
Formula:CuS·H₂O
MW:113.62
Characters:Black monoclinic or hexagonal crystal, insoluble in water, insoluble in diluted acid, soluble in hot diluted nitric acid.
Specifications:

Cupric sulfide	A.R.	C.P.	Frication material grade
Assay %	≥99	≥96	≥99
Chlorides(Cl) %	≤0.05	≤0.05	≤0.1
Sulphates(SO4) %	≤0.001	≤0.002	≤0.005
Iron (Fe)%	≤0.02	≤0.02	≤0.02
Alkali and alkaline-earth metals %	≤0.3	≤0.5	≤0.5

Product Usage: It is used in the extraction of copper or preparation of cupric compounds; it is also used for friction materials to lower abrasion wear of materials.
Packaging:25Kg cardboard drum, lined with double-layer plastic bag
Storage Precautions:Stored in cool, dry and draughty warehouse, sealed tight, kept far away from heat source and fire; can be transported together with combustibles. handle with care.
MSDS: Download